Home / 19,419.48-29,127.60-7,733.34

Finding the Fourth Proportional to 19,419.48, 29,127.60 and 7,733.34

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Solution

The fourth proportional to 19,419.48, 29,127.60 and 7,733.34 is: 11,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.48 : 29,127.60 = 7,733.34 : x
  2. Step 2: Convert to fraction form
    19,419.48/29,127.60 = 7,733.34/x
  3. Step 3: Cross multiply
    19,419.48x = 29,127.60 × 7,733.34
  4. Step 4: Simplify right side
    19,419.48x = 225,253,634.18
  5. Step 5: Solve for x
    x = 225,253,634.18/19,419.48
  6. Step 6: Final answer
    x = 11,599.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.